4.6.0

• Show existing backports on commit list (Green is merged backports, and grey is pending backports)

• Add option to choose number of commits to be listed (backport --commitsCount 20) (Closes #76)
• Add options to filter commits by username (backport --author sqren)
• Show link to authorize sso on access token in error message
• do not track baseBranch when creating feature branch
• cleanup by removing local feature branch after push
• delete “origin” remote to avoid confusion
• Migrate some APIs to graphql (closes #63)
• Add integration test that run real git operations